????:1??????v:??????????

2??????vx

3????????

4????????

5????????????

?(???????):2025?,2?1?,????30814?????,????????????????????????3?????

????,???????????????????????????????????2???1??????1330????????,??791??

2?1??????,?2.9?????????????????,???????????????????????,????????,????????????,??????????

????,???????????????????????,2?1?????,2????????1???????18446???,?????????1????????????????????31?????????????,????????,??18664?,?8.18%?

(????:?)

???????:????????